Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9004991 | Temperature control apparatus of working machine | Yoshiaki Sugimoto, Takashi Hoshi, Soichiro Yamada | 2015-04-14 |
| 6537404 | Continuous manufacturing method and manufacturing apparatus of thermoplastic polyester resin foam | Susumu Ishiwatari, Masahiro Tsubone, Takaaki Hirai, Masahiro Shindo, Nobuyuki Tsujiwaki | 2003-03-25 |
| 6254977 | High molecular weight thermoplastic polyester resin foam | Susumu Ishiwatari, Masahiro Tsubone, Takaaki Hirai, Masahiro Shindo, Nobuyuki Tsujiwaki | 2001-07-03 |
| 5958164 | Method of manufacturing thermoplastic polyester resin foam by extrusion | Susumu Ishiwatari, Masahiro Tsubone, Takaaki Hirai, Masahiro Shindo, Nobuyuki Tsujiwaki | 1999-09-28 |